This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::Lambda::WebFunctionRevision RuntimeConfig
<a name="aws-properties-lambda-webfunctionrevision-runtimeconfig"></a>

<a name="aws-properties-lambda-webfunctionrevision-runtimeconfig-description"></a>The `RuntimeConfig` property type specifies Property description not available. for an [AWS::Lambda::WebFunctionRevision](aws-resource-lambda-webfunctionrevision.md).

## Syntax
<a name="aws-properties-lambda-webfunctionrevision-runtimeconfig-syntax"></a>

To declare this entity in your Amazon CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-lambda-webfunctionrevision-runtimeconfig-syntax.json"></a>

```
{
  "[Runtime](#cfn-lambda-webfunctionrevision-runtimeconfig-runtime)" : {{String}}
}
```

### YAML
<a name="aws-properties-lambda-webfunctionrevision-runtimeconfig-syntax.yaml"></a>

```
  [Runtime](#cfn-lambda-webfunctionrevision-runtimeconfig-runtime): {{String}}
```

## Properties
<a name="aws-properties-lambda-webfunctionrevision-runtimeconfig-properties"></a>

`Runtime`  <a name="cfn-lambda-webfunctionrevision-runtimeconfig-runtime"></a>
Property description not available.  
*Required*: Yes  
*Type*: String  
*Pattern*: `^[a-z][a-z0-9]*[0-9]+(\.[a-z0-9]+)*$`  
*Minimum*: `1`  
*Maximum*: `30`  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)